@misc{schroeder_water_quality_1997, 
author={Schroeder, F.},
title={Water quality in the Elbe estuary: Significance of different processes for the oxygen deficit at Hamburg},
year={1997},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Schroeder, F.: Water quality in the Elbe estuary: Significance of different processes for the oxygen deficit at Hamburg. Environmental Modeling & Assessment. 1997. vol. 2, 73-82.}}